Working principle of flat solar water heater, precautions during cleaning
For some areas where air is better and the sun can be seen all the year round, flat-panel solar water heaters are becoming more and more popular, which not only saves a lot of energy, but also makes full use of the advantages of the region. But do you know how to work on the specifics of flat-panel solar energy? Let's take a look at the working principle of the flat-panel solar water heater and the precautions when cleaning the water heater.
How flat panel solar water heaters work
Ordinary solar water heaters directly transfer the absorbed "sunlight" to water through a vacuum tube, while flat-panel solar energy uses copper tubes to indirectly convert heat to water. Ordinary thermal efficiency is high, and many of the flat plates are separated by a double circuit. Therefore, the quality and life of flat-panel solar energy are generally better.
The flat solar collector absorbs thermal energy and conducts the thermal energy to the heat exchange medium in the collector. As the temperature of the heat transfer medium increases, it enters the heat exchanger of the water storage tank under the circulation of the pump. Here, the heat energy is transferred to the water, and the heat transfer medium is gradually cooled. The cooled liquid is pushed back into the collector. The cooled solution is once again heated in the heat collecting plate and circulated into the heat exchanger to transfer the heat energy to the water in the water storage tank. This process is repeated until all the water in the storage tank is heated.
The self-span resistance is the main resistance of the flat solar circuit and the collector piping system. When the temperature of the medium rises, as the kinematic viscosity decreases, the resistance along the path becomes smaller, and the influence of local resistance becomes larger. Flat-panel solar water heater top-water use, domestic solar water heaters and flat-panel split solar energy are divided into falling water and top water. Ordinary solar water heaters are not affected by tap water supply. The disadvantage is that the water temperature is low and then high during use. If the control is not good, it will easily cause sudden water shortage. The flat-panel solar energy is the top water method, the water temperature is high first and then low, easy to grasp, and the user is easy to adapt, but the tap water is required to maintain the water supply capacity. In the case where the tap water is guaranteed, the top water method is recommended.
How does the flat-panel solar energy know clearly after using it? The following small series tells everyone about the precautions when cleaning:
1. Determine the water supply of the solar water heater according to the local weather forecast. The water temperature of the next day is more suitable and comfortable. The better the weather, the more water you can add.
2, clear solar water heater water temperature adjustment steps: solar water heaters have two switches of cold water valve and hot water valve. To avoid burns, you should first open the cold water valve, the solar water heater is oriented to properly adjust the cold water flow, and then open the hot water valve to adjust until the required bath temperature is obtained. Be careful not to burn your nozzle.
3, the fixed parts: stable solar water heaters reduce the risk of electric shock, outdoor solar water heaters are inevitably loose. We should periodically reinforce the parts of the water heater.
4. After the water heater is installed and fixed, do not move or unload it easily to avoid damage to the solar water heater;
5. Regularly clean solar water heaters. The choice of solar water heaters is kept clean and tidy to avoid the danger of vacuum tube collision; especially the tip.
Flat-panel solar energy is more likely to generate more heat than ordinary solar energy, and its life expectancy is much longer. If you live in a place where the air is better, you might want to hit a flat-panel solar water heater. In addition, if you want to know more about decoration, please continue to pay attention to the decoration home network.
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